remove apostrophe

Author: Lachlan Campbell

docs/layout/position/index.html

@@ -116,7 +116,7 @@ <h3 class="f5 book pt4 caps">Position Relative + Absolute</h3>
         <div class="relative bg-black-10 h5 mbm br2">
           <div class="absolute top-1 left-1 right-2 bottom-2 white bg-black-50 br2">
             <p class="measure lh-copy ph3">
-              This is an absolutely positioned element set to have offsets of top and left to 1rem with right and bottom offset by 2rem. It's parent with the light gray background is set to position relative.
+              This is an absolutely positioned element set to have offsets of top and left to 1rem with right and bottom offset by 2rem. Its parent with the light gray background is set to position relative.
             </p>
           </div>
         </div>

src/templates/docs/position/index.html

@@ -80,7 +80,7 @@ <h3 class="f5 book pt4 caps">Position Relative + Absolute</h3>
         <div class="relative bg-black-10 h5 mbm br2">
           <div class="absolute top-1 left-1 right-2 bottom-2 white bg-black-50 br2">
             <p class="measure lh-copy ph3">
-              This is an absolutely positioned element set to have offsets of top and left to 1rem with right and bottom offset by 2rem. It's parent with the light gray background is set to position relative.
+              This is an absolutely positioned element set to have offsets of top and left to 1rem with right and bottom offset by 2rem. Its parent with the light gray background is set to position relative.
             </p>
           </div>
         </div>